A neonate born at 28 weeks gestation has a central venous catheter. Which intervention is MOST effective in preventing catheter-associated bloodstream infections (CLABSI)?
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A
Change the catheter every 72 hours routinely
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B
Use chlorhexidine-impregnated dressings and perform daily necessity checks
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C
Apply antibiotic ointment to the insertion site daily
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D
Flush the catheter with heparin every 4 hours